| 摘要 |
PURPOSE:To obtain a polypropylene resin composition having high stiffness and excellent in heat resistance, oil resistance, chemical resistance and especially in impact resistance. CONSTITUTION:The polypropylenic resin composition consists of (a) 95-51wt.% polypropylene resin, (b) 4.5-48.9wt.% polystyrene resin and (c) 0.1-4.9% polyphenylene ether resin, where (c)/((b)+(c)) <=0.1, and is obtained by adding (d) 1-40 pts.wt. block copolymer having >=1 aromatic vinyl polymer block and >=1 conjugated diene polymer block, in which >=70% double bonds are hydrogenated, to 100 pts.wt. sum of (a) the polypropylene resin, (b) the polystyrene resin and (c) the polyphenylene ether resin. |
